{"product_id":"f21t5-841-21-watt-high-efficiency-t5-linear-fluorescent-lamp-4100k-cool-bright-white-2100-lumens-g5-mini-bi-pin-36-000-hours-long-life-tube-light","title":"F21T5\/841 21-Watt High Efficiency T5 Linear Fluorescent Lamp – 4100K Cool Bright White – 2100 Lumens – G5 Mini Bi-Pin – 36,000 Hours Long Life Tube Light","description":"\u003ch1 data-start=\"377\" data-end=\"414\"\u003e\u003cstrong data-start=\"379\" data-end=\"414\"\u003eMade the Right Way the Good Way\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch2 data-start=\"416\" data-end=\"453\"\u003e\u003cstrong data-start=\"419\" data-end=\"451\"\u003eReimagined Incandescent Glow\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"454\" data-end=\"892\"\u003eThe F21T5\/841 delivers crisp, clean 4100 Kelvin Cool White illumination designed to bring clarity, focus, and visual comfort to any environment. This high-performance T5 fluorescent lamp produces a balanced neutral-white tone ideal for task lighting, commercial retail environments, classrooms, workshops, and office spaces. Its smooth white finish ensures even luminance across the entire 34-inch tube for a consistent, modern aesthetic.\u003c\/p\u003e\n\u003ch2 data-start=\"894\" data-end=\"924\"\u003e\u003cstrong data-start=\"897\" data-end=\"922\"\u003ePower and Versatility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"925\" data-end=\"1380\"\u003eEngineered for efficiency, this 21-watt T5 lamp produces an impressive \u003cstrong data-start=\"996\" data-end=\"1011\"\u003e2100 lumens\u003c\/strong\u003e—achieving \u003cstrong data-start=\"1022\" data-end=\"1045\"\u003e100 lumens per watt\u003c\/strong\u003e for outstanding energy savings in linear fluorescent systems. Optimized for \u003cstrong data-start=\"1122\" data-end=\"1149\"\u003eG5 Mini Bi-Pin fixtures\u003c\/strong\u003e, the F21T5\/841 is compatible with a wide range of commercial and residential applications. From troffers and under-cabinet fixtures to industrial workstations, this lamp delivers immediate, flicker-free illumination you can trust.\u003c\/p\u003e\n\u003ch2 data-start=\"1382\" data-end=\"1412\"\u003e\u003cstrong data-start=\"1385\" data-end=\"1410\"\u003eFor the Love of Color\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1413\" data-end=\"1717\"\u003eAn elevated \u003cstrong data-start=\"1425\" data-end=\"1435\"\u003e85 CRI\u003c\/strong\u003e brings enhanced color accuracy to any space, allowing objects, materials, and finishes to appear more vivid and true to life. The 4100K Cool White spectrum supports visual acuity, making it ideal for productivity, reading, precision work, and retail displays where clarity matters.\u003c\/p\u003e\n\u003ch2 data-start=\"1719\" data-end=\"1753\"\u003e\u003cstrong data-start=\"1722\" data-end=\"1751\"\u003eRough Service Performance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1754\" data-end=\"2097\"\u003eBuilt for consistent operation, this T5 lamp maintains stable lumen output throughout its lifespan with reduced depreciation compared to older fluorescent technologies. The durable glass housing and precision-manufactured electrodes provide reliable operation across a variety of environmental conditions, ensuring quality light day after day.\u003c\/p\u003e\n\u003ch2 data-start=\"2099\" data-end=\"2128\"\u003e\u003cstrong data-start=\"2102\" data-end=\"2126\"\u003eEffortless Operation\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2129\" data-end=\"2384\"\u003eDesigned for instant start and rapid re-strike, the F21T5\/841 integrates seamlessly into existing T5 electronic ballast systems. Operates without buzzing, strobing, or warm-up delay, delivering dependable performance from the moment the switch is flipped.\u003c\/p\u003e\n\u003ch2 data-start=\"2386\" data-end=\"2408\"\u003e\u003cstrong data-start=\"2389\" data-end=\"2406\"\u003eBuilt to Last\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2409\" data-end=\"2701\"\u003eWith a \u003cstrong data-start=\"2416\" data-end=\"2442\"\u003e36,000-hour rated life\u003c\/strong\u003e, this long-life T5 lamp reduces maintenance cycles, labor costs, and replacement frequency. Precision-engineered cathodes and premium phosphors ensure long-term brightness retention, outperforming standard fluorescent tubes built with lower-grade components.\u003c\/p\u003e\n\u003ch2 data-start=\"2703\" data-end=\"2734\"\u003e\u003cstrong data-start=\"2706\" data-end=\"2732\"\u003eGuardian of Prosperity\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2735\" data-end=\"3087\"\u003eAt just 21 watts per lamp, upgrading or maintaining T5 systems can significantly reduce energy costs—especially in facilities operating dozens or hundreds of fixtures. Lower wattage means reduced heat output, extending fixture and ballast longevity while helping reduce cooling loads. Smart energy decisions today lead to compounding long-term savings.\u003c\/p\u003e\n\u003ch2 data-start=\"3089\" data-end=\"3119\"\u003e\u003cstrong data-start=\"3092\" data-end=\"3117\"\u003eXtreme Life Guarantee\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3120\" data-end=\"3406\"\u003eBuilt with high-quality materials for lasting performance, this T5 lamp offers dependable, long-life illumination suited for demanding commercial schedules. Designed to operate up to \u003cstrong data-start=\"3303\" data-end=\"3319\"\u003e36,000 hours\u003c\/strong\u003e under normal conditions, minimizing downtime and replacement cycles for years to come.\u003c\/p\u003e\n\u003ch2 data-start=\"3408\" data-end=\"3435\"\u003e\u003cstrong data-start=\"3411\" data-end=\"3433\"\u003eImpactful Lighting\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3436\" data-end=\"3760\"\u003eLighting is more than lumens—it impacts productivity, comfort, and environmental responsibility. The F21T5\/841 reduces energy waste, extends fixture life, and lowers environmental impact. Thoughtful lighting choices conserve resources and promote sustainable operations across commercial, industrial, and residential spaces.\u003c\/p\u003e","brand":"GoodBulb","offers":[{"title":"2 Pack","offer_id":51331505881371,"sku":"91705-21.57","price":21.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/4046\/0059\/files\/w-91702_d56eb114-fa30-45b6-a650-a7ad7c78029d.jpg?v=1763129811","url":"https:\/\/goodbulb.com\/products\/f21t5-841-21-watt-high-efficiency-t5-linear-fluorescent-lamp-4100k-cool-bright-white-2100-lumens-g5-mini-bi-pin-36-000-hours-long-life-tube-light","provider":"GoodBulb","version":"1.0","type":"link"}